By Chris Smith The Philadelphia Union head into the final day of the 2022 regular season with their MLS Cup Playoffs spot long since secured, but with plenty left to play for. Jim Curtin’s side host Toronto FC having come down from a five-game winning streak, taking just a single point from matches against Atlanta United and Charlotte FC without scoring a goal – and conceding four against the latter. Should CF Montreal beat Inter Miami on Sunday, the Union would need a win themselves against TFC to secure top spot in the East, which would ensure home Playoffs matches right up until the MLS Cup…